102040421344011 has 16 divisors (see below), whose sum is σ = 156383787501600. Its totient is φ = 65681190749664.

The previous prime is 102040421343941. The next prime is 102040421344061. The reversal of 102040421344011 is 110443124040201.

102040421344011 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 4 + 0 + 4 + 213 + 440 + 1 + 1 = 666.

It is not a de Polignac number, because 102040421344011 - 2²⁶ = 102040354235147 is a prime.

It is a super-5 number, since 5×102040421344011⁵ (a number of 71 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102040421344061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65159910676 + ... + 65159912241.

It is an arithmetic number, because the mean of its divisors is an integer number (9773986718850).

Almost surely, 2^{102040421344011} is an apocalyptic number.

102040421344011 is a deficient number, since it is larger than the sum of its proper divisors (54343366157589).

102040421344011 is a wasteful number, since it uses less digits than its factorization.

102040421344011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130319822955 (or 130319822949 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 102040421344011 its reverse (110443124040201), we get a palindrome (212483545384212).

The spelling of 102040421344011 in words is "one hundred two trillion, forty billion, four hundred twenty-one million, three hundred forty-four thousand, eleven".